Java tutorial
/**************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * * or more contributor license agreements. See the NOTICE file * * distributed with this work for additional information * * regarding copyright ownership. The ASF licenses this file * * to you under the Apache License, Version 2.0 (the * * "License"); you may not use this file except in compliance * * with the License. You may obtain a copy of the License at * * * * http://www.apache.org/licenses/LICENSE-2.0 * * * * Unless required by applicable law or agreed to in writing, * * software distributed under the License is distributed on an * * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * * KIND, either express or implied. See the License for the * * specific language governing permissions and limitations * * under the License. * ****************************************************************/ package org.apache.hupa.server.handler; import javax.mail.Folder; import javax.mail.Message; import javax.mail.MessagingException; import javax.servlet.http.HttpSession; import net.customware.gwt.dispatch.shared.ActionException; import org.apache.commons.logging.Log; import org.apache.hupa.server.IMAPStoreCache; import org.apache.hupa.shared.data.User; import org.apache.hupa.shared.rpc.DeleteAllMessages; import com.google.inject.Inject; import com.google.inject.Provider; import com.sun.mail.imap.IMAPFolder; import com.sun.mail.imap.IMAPStore; public class DeleteAllMessagesHandler extends AbstractDeleteMessageHandler<DeleteAllMessages> { @Inject public DeleteAllMessagesHandler(IMAPStoreCache cache, Log logger, Provider<HttpSession> sessionProvider) { super(cache, logger, sessionProvider); } /* * (non-Javadoc) * @see org.apache.hupa.server.handler.AbstractDeleteMessageHandler#getMessagesToDelete(org.apache.hupa.shared.rpc.DeleteMessage) */ protected Message[] getMessagesToDelete(DeleteAllMessages action) throws ActionException { User user = getUser(); try { logger.info("Delete all messages in folder " + action.getFolder() + " for user " + user); IMAPStore store = cache.get(user); IMAPFolder folder = (IMAPFolder) store.getFolder(action.getFolder().getFullName()); if (folder.isOpen() == false) { folder.open(Folder.READ_WRITE); } return folder.getMessages(); } catch (MessagingException e) { String errorMsg = "Error while deleting all messages in folder " + action.getFolder() + " for user " + user; logger.error(errorMsg, e); throw new ActionException(errorMsg); } } /* * (non-Javadoc) * @see net.customware.gwt.dispatch.server.ActionHandler#getActionType() */ public Class<DeleteAllMessages> getActionType() { return DeleteAllMessages.class; } }